<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>下拉菜单</title>
</head>
<body>
   <select>
    <option>北京</option>
    <option>上海</option>
    <option>广州</option>
    <option selected>深圳</option>
    <option>武汉</option>
    <textarea>输入你的评论</textarea>
   </select> 
   <input type="radio" name="gander" id="man"> <label for="man">男</label>
   <label><input type="radio" name="gander"> 女</label>
   <button type="reset">登录</button>
   <form>
   用户名：<input type="text"><br><br>
   密码：<input type="password"><br><br>
   <button type="reset">重置</button>
   </form>
   <!-- form表单区域 -->
    <!-- action="" 发送数据的地址 -->
</body>
</html>